thousands in michigan got an early start to their holiday break. classes were canceled because of threats of violence. a school district near dallas is off today because officials decided they needed time away due to the events of last week. >>> in other news this morning, the famously globe-trotting hillary clinton may have taken her last trip as secretary of state, due to her recovery from a concussion. a spokesman says clinton has canceled travel through the middle of next month. by that time, the new secretary of state, presumably at this point senator john kerry, may have in fact be confirmed. >>> and coming up after the break, that breaking financial news. stock markets falling this morning. what does it mean for markets here in the u.s.? >>> then, another impact of washington's gridlock. could we soon be paying $8 for a gallon of milk? details, coming up. >>> and imagine living next to this. the neighbors across the country saying, enough. [ female announcer ] now get high speed internet at home on our newly expanded advanced digital network